CN112845572A - Modularization electric heat coupling normal position chemistry is clear away and is equipped - Google Patents
Modularization electric heat coupling normal position chemistry is clear away and is equipped Download PDFInfo
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- 230000008878 coupling Effects 0.000 title claims abstract description 28
- 238000010168 coupling process Methods 0.000 title claims abstract description 28
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 94
- 239000007924 injection Substances 0.000 claims abstract description 94
- 239000002689 soil Substances 0.000 claims abstract description 39
- 239000000126 substance Substances 0.000 claims abstract description 35
- 238000011065 in-situ storage Methods 0.000 claims abstract description 33
- 239000007800 oxidant agent Substances 0.000 claims abstract description 32
- 238000000605 extraction Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 14
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 12
- 238000005485 electric heating Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 34
- 230000003647 oxidation Effects 0.000 claims description 19
- 238000007254 oxidation reaction Methods 0.000 claims description 19
- 239000003814 drug Substances 0.000 claims description 18
- 239000002680 soil gas Substances 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000005067 remediation Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000003795 desorption Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007646 directional migration Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/005—Extraction of vapours or gases using vacuum or venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
- B09C1/085—Reclamation of contaminated soil chemically electrochemically, e.g. by electrokinetics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a modular electric-heating coupling in-situ chemical removing device, relates to the technical field of polluted soil remediation, and solves the technical problem that the electric-heating coupling in-situ chemical removing device in the prior art is inconvenient to transport. The modularized electric heating coupling in-situ chemical removing device comprises an oxidizing agent injection device, a tail gas treatment device and a controller; the oxidizing agent injection device comprises an injection device body, wherein a stirring tank, an injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, and the injection interface is connected with an injection pipe of the electrode well; the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body and connected with an extraction well, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body. The invention is used for providing modular electric-thermal coupling in-situ chemical removing equipment convenient to transport.
Description
Technical Field
The invention relates to the technical field of polluted soil remediation, in particular to modular electric-heating coupling in-situ chemical removing equipment.
Background
The in-situ remediation technology in the field of remediation of contaminated soil has the advantages of being broad in spectrum, efficient, less in environmental interference, free of the problem of 'peculiar smell disturbing residents' and the like, application cases are more and more, the in-situ thermal desorption and the in-situ chemical oxidation are gradually the mainstream remediation technology of the organic contaminated site, but the two technologies have respective limitations. The in-situ thermal desorption technology has high heating temperature and large energy consumption, and the chemical agent of the in-situ chemical oxidation technology is difficult to realize effective and uniform diffusion in the stratum with poor permeability.
The invention patent application with the application number (application publication number CN 111014269A, application publication date 2020, 4 and 17) discloses a technical patent of a polluted soil electric heat conduction in-situ thermal desorption repair system, which realizes flexible heating at different depths by a mode of serially combining and installing a plurality of sections of electric heating pipes, reduces energy consumption to a certain extent, but still has the problem of large energy consumption when the pipe wall heating temperature reaches 700 ℃ and the soil is heated to 350 ℃.
The invention patent application with the application number (application publication number CN 104624629A, application publication date 2015 5/20) discloses a technical patent of a method for repairing an organic pollutant field by adopting a bidirectional stirring injection method, and aims to solve the problem of uniform distribution of an oxidation medicament.
In order to solve the problems, the invention patent application with the application number (CN 111282983A, 6/16/2020) discloses a technical patent of an electrothermal coupling chemical oxidation method and device, the technical patent uniformly distributes oxidation agents on a field through a direct current directional migration technology, the field is heated through an alternating current heating technology, the coupling of the electric heating and the chemical oxidation technology is realized, the remediation of a polluted field can be completed at a lower temperature, and the electrothermal coupling chemical oxidation method and device have the characteristics of high efficiency and energy saving. However, the problems of complicated equipment, large occupied area, inconvenient transfer and transportation and equipment standardization and integration in the patent of the electrothermal coupling chemical oxidation method and the device are urgently needed to be solved.
In order to solve the problems, the invention develops a set of modular equipment aiming at an electrothermal coupling in-situ chemical removal technology, and effectively solves the defects of large equipment floor area, low level of modular centralization, inconvenience in equipment disassembly and transportation and the like of the electrothermal coupling in-situ chemical removal technology.
Disclosure of Invention
The invention aims to provide a modular electrothermal coupling in-situ chemical removal device, which aims to solve the technical problem that the electrothermal coupling in-situ chemical removal device in the prior art is inconvenient to transport. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides modular electrothermal coupling in-situ chemical removing equipment which comprises an oxidizing agent injection device, a tail gas treatment device and a controller, wherein the tail gas treatment device and the oxidizing agent injection device are connected with the controller;
the oxidation medicament injection device comprises an injection device body, wherein a stirring tank, a medicament injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, one end of the injection interface is connected to the medicament injection pump, and the other end of the injection interface is used for being connected with an injection pipe of an electrode well arranged in the polluted soil;
the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body, the extraction pipe interface is connected with an extraction well arranged in the polluted soil through a pipeline, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body.
Further, the controller comprises a power control device and a central control device,
the power control device comprises a power device body, an isolation transformer, a voltage regulator, a rectifier and an electric control cabinet are sequentially connected in the power device body, and the central control device and the electrode well are connected with the electric control cabinet;
the central control device comprises a central device body, a PC host and a PLC control cabinet are arranged in the central device body, and the PLC control cabinet is electrically connected with the tail gas treatment device and the oxidizing agent injection device.
Further, the PLC control cabinet is connected with a monitoring well arranged in the polluted soil.
Further, the central control device is connected with the oxidizing agent injection device, the tail gas treatment device, the monitoring well arranged in the polluted soil, the electrode well arranged in the polluted soil and the extraction well arranged in the polluted soil in a wired or wireless mode.
Furthermore, the power control device and the tail gas treatment device are respectively arranged in two containers, the central control device and the oxidizing agent injection device are arranged in one container, and a partition is arranged between the central control device and the oxidizing agent injection device, so that mutual influence between the central control device and the oxidizing agent injection device is avoided.
Further, an air-conditioning cooling system is also arranged on the power device body.
Further, a space is arranged between the power control device and the central control device.
Further, the isolation transformer transmits current to the voltage regulator, the voltage regulator regulates output voltage within a range of 0-400V, the voltage regulator transmits the current to the rectifier, the rectifier converts alternating current into direct current and transmits the current to the electric control cabinet, and the electric control cabinet is provided with a plurality of groups of switches.
Furthermore, the Roots blower extracts the evaporated polluted gas in the polluted soil into the gas-liquid separator, the gas-liquid separator removes the water in the soil gas, the dried soil gas is conveyed to the adsorption tank, the adsorption tank adsorbs and purifies the soil gas, the purified soil gas enters the catalytic combustion chamber through the draught fan, and the tail gas of the catalytic combustion reaches the standard and is discharged to the atmosphere through the chimney.
Further, the pipeline is a PVC pipeline.
The invention has the beneficial effects that: according to the modular electric-heating coupling in-situ chemical removing equipment provided by the invention, the oxidizing agent injection device is used for injecting the oxidizing agent into the polluted soil, and the tail gas treatment device is used for extracting, purifying and discharging the soil gas; the oxidation medicament injection device and the tail gas treatment device are respectively and integrally installed in the injection device body and the treatment device body, and the injection device body and the treatment device body are provided with an injection interface and an extraction pipe interface, so that the injection device body, the treatment device body, the controller, the extraction well and the electrode well are conveniently connected; during transportation, the injection device body and the treatment device body are transported to a repair place integrally, and then installation is completed sequentially through the injection interface, the extraction pipe interface and the like, so that the working efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
FIG. 1 shows an oxidizing agent injection device; 2. a power control device; 3. a tail gas treatment device; 4. a central control device; 5. an electrode well; 6. a monitoring well; 7. an extraction well; 10. an injection device body; 11. a stirring tank; 12. a drug injection pump; 13. a flow meter; 20. a power device body; 21. an isolation transformer; 22. a voltage regulator; 23. a rectifier; 24. an electric control cabinet; 30. a processing apparatus body; 31. a Roots blower; 32. a gas-liquid separator; 33. an adsorption tank; 34. an induced draft fan; 35. a catalytic combustor; 36. a chimney; 40. a central device body; 41. a PC host; 42. a PLC control cabinet; 71. and (4) screening.
Detailed Description
The contents of the present invention and the differences between the present invention and the prior art can be understood with reference to fig. 1 and the text. The invention will now be described in further detail, including the preferred embodiments, with reference to the accompanying drawings, in which some alternative embodiments of the invention are shown. It should be noted that: any technical features and any technical solutions in the present embodiment are one or more of various optional technical features or optional technical solutions, and for the sake of brevity, this document cannot exhaustively enumerate all the alternative technical features and alternative technical solutions of the present invention, and is also not convenient for each embodiment of the technical features to emphasize it as one of various optional embodiments, so those skilled in the art should know that: any technical means provided by the invention can be replaced or any two or more technical means or technical characteristics provided by the invention can be combined with each other to obtain a new technical scheme. Any technical features and any technical solutions in the present embodiment do not limit the scope of the present invention, and the scope of the present invention should include any alternative technical solutions that can be conceived by those skilled in the art without inventive efforts and new technical solutions that can be obtained by those skilled in the art by combining any two or more technical means or technical features provided by the present invention with each other.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The invention provides a modular electric-thermal coupling in-situ chemical removing device convenient to transport.
The technical solution provided by the present invention is explained in more detail below with reference to fig. 1.
The invention provides a modularized electric-heating coupling in-situ chemical removing device which comprises an oxidizing agent injection device, a tail gas treatment device and a controller, wherein the tail gas treatment device and the oxidizing agent injection device are connected with the controller;
the oxidation medicament injection device comprises an injection device body, wherein a stirring tank, a medicament injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, one end of the injection interface is connected to the medicament injection pump, and the other end of the injection interface is used for being connected with an injection pipe of an electrode well arranged in the polluted soil;
the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body, the extraction pipe interface is connected with an extraction well arranged in the polluted soil through a pipeline, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body.
According to the modular electric-heating coupling in-situ chemical removing equipment provided by the invention, the oxidizing agent injection device is used for injecting the oxidizing agent into the polluted soil, and the tail gas treatment device is used for extracting, purifying and discharging the soil gas; the oxidation medicament injection device and the tail gas treatment device are respectively and integrally installed in the injection device body and the treatment device body, and the injection device body and the treatment device body are provided with an injection interface and an extraction pipe interface, so that the injection device body, the treatment device body, the controller, the extraction well and the electrode well are conveniently connected; during transportation, the injection device body and the treatment device body are transported to a repair place integrally, and then installation is completed sequentially through the injection interface, the extraction pipe interface and the like, so that the working efficiency is greatly improved.
As an alternative embodiment, the controller comprises a power control device, a central control device,
the power control device comprises a power device body, an isolation transformer, a voltage regulator, a rectifier and an electric control cabinet are sequentially connected in the power device body, and the central control device and the electrode well are connected with the electric control cabinet;
the central control device comprises a central device body, a PC host and a PLC control cabinet are arranged in the central device body, and the PLC control cabinet is electrically connected with the tail gas treatment device and the oxidizing agent injection device.
The isolation transformer provides power for the multifunctional electrode well, meanwhile, the power utilization safety of the whole demonstration site can be guaranteed, the isolation transformer transmits current to the voltage regulator, the voltage regulator 12 can regulate output voltage within the range of 0-400V according to needs, the voltage regulator transmits the current to the rectifier, the rectifier can convert alternating current into direct current according to needs, the rectifier transmits the current to the electric control cabinet, and the electric control cabinet is provided with a plurality of groups of switches and is connected with the electrode well.
As an optional implementation mode, the PLC control cabinet is connected with a monitoring well arranged in the polluted soil. The PLC control cabinet acquires data such as temperature, pressure value and flow in the injection pipeline in the monitoring well, and adjusts the site operation condition according to the data values.
As an alternative embodiment, the central control device is connected with the oxidizing agent injection device, the tail gas treatment device, the monitoring well arranged in the contaminated soil, the electrode well arranged in the contaminated soil and the extraction well arranged in the contaminated soil in a wired or wireless manner.
In an alternative embodiment, the power control device and the exhaust gas treatment device are respectively disposed in two containers, the central control device and the oxidizing agent injection device are disposed in one container, and a partition is disposed between the central control device and the oxidizing agent injection device to prevent the central control device and the oxidizing agent injection device from affecting each other. The devices are respectively placed in the container for transportation, so that the transportation is convenient; because interfaces are reserved among all devices, the installation is very convenient.
As an optional embodiment, an air conditioning cooling system is further provided on the power device body. Avoid the electric elements from having too high temperature.
In an alternative embodiment, a space is provided between the power control device and the central control device to avoid interference of strong electricity to weak electric signals.
As an optional implementation mode, the isolation transformer transmits current to the voltage regulator, the voltage regulator regulates output voltage within a range of 0-400V, the voltage regulator transmits current to the rectifier, the rectifier converts alternating current into direct current and transmits the current to the electric control cabinet, and the electric control cabinet is provided with a plurality of groups of switches for being connected with the electrode well.
In an optional implementation mode, the roots blower extracts the evaporated polluted gas in the polluted soil into a gas-liquid separator, the gas-liquid separator removes water in the soil gas, the dried soil gas is conveyed to an adsorption tank, the adsorption tank adsorbs and purifies the soil gas, the purified soil gas enters the catalytic combustion chamber through an induced draft fan, and the tail gas of the catalytic combustion reaches the standard and is discharged to the atmosphere through a chimney.
As an alternative embodiment, the pipe is a PVC pipe.
Example 1:
the invention provides modular electrothermal coupling in-situ chemical removing equipment which comprises an oxidizing agent injection device 1, an electric power control device 2, a tail gas treatment device 3 and a central control device 4.
The oxidation chemical injection device 1 includes an injection device body 10, and a stirring tank 11, a chemical injection pump 12, and a flow meter 13 connected in sequence in the injection device body 10. The oxidation medicament and the dissolving agent water are uniformly mixed in proportion under the stirring action of the stirring tank 11, injected into the electrode well 5 arranged in the polluted soil under the action of the injection pump 12, and the injection amount of the oxidation medicament is monitored by the flow meter 13 in real time.
The power control device 2 includes a power device body 20, and an isolation transformer 21, a voltage regulator 22, a rectifier 23, and an electric control cabinet 24 connected in sequence in the power device body. The isolation transformer 21 provides power for the electrode well 5 arranged in the polluted soil, and meanwhile, the power utilization safety of the whole demonstration site can be guaranteed, the isolation transformer 21 transmits current to the voltage regulator 22, the voltage regulator 22 can regulate output voltage within the range of 0-400V according to needs, the voltage regulator 22 transmits the current to the rectifier 23, the rectifier 23 can convert alternating current into direct current according to needs, the rectifier 23 transmits the current to the electric control cabinet 24, and the electric control cabinet 24 is provided with a plurality of groups of switches which are respectively connected with the electrode well 5 arranged in the polluted soil.
The tail gas treatment device 3 comprises a treatment device body 30, and a Roots blower 31, a gas-liquid separator 32, an adsorption tank 33, an induced draft fan 34, a catalytic combustion chamber 35 and a chimney 36 which are sequentially connected to the treatment device body 30. The contaminated gas that evaporates in the soil enters gas-liquid separator 32 through the extraction well 7 that sets up in contaminated soil under roots's fan 31's extraction effect extraction is provided with screen cloth 71 on the extraction well 7, and the screen cloth prevents that soil from inhaling and gets into in the extraction well 7, and gas-liquid separator 32 gets rid of the moisture in the soil gas, carries dry soil gas to adsorption tank 33, and adsorption tank 33 adsorbs the purification to soil gas, and the soil gas after the purification gets into catalytic combustion chamber 35 through draught fan 34, and the tail gas of oxidative combustion discharges to the atmosphere through chimney 36 after up to standard.
The central control device 4 comprises a central device body 40, a PC (personal computer) 41 and a PLC (programmable logic controller) 42 are arranged in the central device body 40, the PLC 42 has signal receiving and outputting functions, data such as the temperature and the pressure of a monitoring well 6 arranged in the polluted soil, the flow of an injection pipeline, the potential of an electrode and the like can be collected in a wired or wireless mode and uploaded to the PC 41, the PC 41 displays the data through configuration software, and control elements such as a pump, a fan, an electric control cabinet and the like are automatically or manually adjusted according to preset data values to the site operation condition.
The working process of the modular electrothermal coupling in-situ chemical removing equipment provided by the invention is as follows:
1. the oxidation medicament and water are uniformly stirred by the stirring tank 11 and then injected into the electrode well 5 through the medicament injection pump 12, and the oxidation medicament enters the polluted soil through the electrode well 5 slot.
2. The electrode well 5 transmits electric energy to the soil plot under the action of the electric control device 2, the soil is regarded as a resistor, the temperature of the soil resistor is gradually increased under the action of current, the oxidation-reduction reaction rate of the oxidation reagent is improved, and the purpose of electro-thermal coupling in-situ chemical removal is achieved.
3. The central control device 4 can collect field operation data such as temperature, pressure, flow, electric potential and the like, compare the collected data with preset values of configuration software on the PC host 41, automatically adjust the size and the on-off state of electrode current according to the comparison result, and simultaneously adjust the on-off state and the power of executing elements such as the injection pump 12, the Roots blower 31, the induced draft fan 34 and the like through the central control device 4.
According to the modular electrothermal coupling in-situ chemical removal equipment provided by the invention, during transportation, the power control device 2 and the tail gas treatment device 3 are respectively arranged in two containers, the central control device 4 and the oxidizing agent injection device 1 are arranged in one container, and a partition is arranged between the central control device 4 and the oxidizing agent injection device 1, so that the mutual influence between the central control device 4 and the oxidizing agent injection device 1 is avoided.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A modularized electric heating coupling in-situ chemical removing device is characterized by comprising an oxidizing agent injection device, a tail gas treatment device and a controller, wherein the tail gas treatment device and the oxidizing agent injection device are connected with the controller;
the oxidation medicament injection device comprises an injection device body, wherein a stirring tank, a medicament injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, one end of the injection interface is connected to the medicament injection pump, and the other end of the injection interface is used for being connected with an injection pipe of an electrode well arranged in the polluted soil;
the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body, the extraction pipe interface is connected with an extraction well arranged in the polluted soil through a pipeline, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body.
2. The modular electro-thermally coupled in-situ chemical removal apparatus of claim 1, wherein the controller comprises a power control device, a central control device,
the power control device comprises a power device body, an isolation transformer, a voltage regulator, a rectifier and an electric control cabinet are sequentially connected in the power device body, and the central control device and the electrode well are connected with the electric control cabinet;
the central control device comprises a central device body, a PC host and a PLC control cabinet are arranged in the central device body, and the PLC control cabinet is electrically connected with the tail gas treatment device and the oxidizing agent injection device.
3. The modular electro-thermal coupling in situ chemical removal apparatus of claim 2, wherein the PLC control cabinet is connected to a monitoring well disposed in contaminated soil.
4. The modular electrically-thermally coupled in-situ chemical removal apparatus of claim 3, wherein the central control unit is connected by wire or wirelessly to the oxidizing agent injection unit, the tail gas treatment unit, the monitoring well disposed in the contaminated soil, the electrode well disposed in the contaminated soil, and the extraction well disposed in the contaminated soil.
5. The apparatus of claim 2, wherein the power control device and the tail gas treatment device are disposed in two containers, the central control device and the oxidizing agent injection device are disposed in one container, and a partition is disposed between the central control device and the oxidizing agent injection device to prevent the central control device and the oxidizing agent injection device from affecting each other.
6. The modular electro-thermally coupled in-situ chemical removal apparatus as claimed in claim 5, further comprising an air conditioning cooling system disposed on the power device body.
7. The modular electro-thermally coupled in-situ chemical removal apparatus of claim 2, wherein a spacing is provided between the power control device and the central control device.
8. The modular electrothermal coupling in-situ chemical removal apparatus according to claim 2, wherein the isolation transformer delivers current to the voltage regulator, the voltage regulator regulates output voltage to within 0-400V, the voltage regulator delivers current to the rectifier, the rectifier converts alternating current to direct current and delivers current to the electrical control cabinet, and the electrical control cabinet is provided with a plurality of sets of switches.
9. The modular electrothermal coupling in-situ chemical removal equipment as claimed in claim 1, wherein the roots blower extracts the evaporated contaminated gas in the contaminated soil into a gas-liquid separator, the gas-liquid separator removes water in the soil gas, the dried soil gas is conveyed to an adsorption tank, the adsorption tank adsorbs and purifies the soil gas, the purified soil gas enters the catalytic combustion chamber through an induced draft fan, and the tail gas of the catalytic combustion reaches the standard and is discharged to the atmosphere through a chimney.
10. The modular electro-thermally coupled in situ chemical removal apparatus of claim 1, wherein the piping is PVC piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110029920.6A CN112845572A (en) | 2021-01-11 | 2021-01-11 | Modularization electric heat coupling normal position chemistry is clear away and is equipped |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110029920.6A CN112845572A (en) | 2021-01-11 | 2021-01-11 | Modularization electric heat coupling normal position chemistry is clear away and is equipped |
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| CN112845572A true CN112845572A (en) | 2021-05-28 |
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| CN202110029920.6A Pending CN112845572A (en) | 2021-01-11 | 2021-01-11 | Modularization electric heat coupling normal position chemistry is clear away and is equipped |
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| CN114130805A (en) * | 2021-12-15 | 2022-03-04 | 南京康帕森环保科技有限公司 | Integrated comprehensive in-situ repair system |
| CN115069754A (en) * | 2022-05-19 | 2022-09-20 | 北京高能时代环境技术股份有限公司 | Electrode well structure and repair system for in-situ thermal desorption-electrocatalytic oxidation |
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